Eventide Omnipressor 2830Au

Audio Compressor

CAP2: 0 £1,999.00
£1,665.83 ex VAT
in stock

50th-anniversary Omnipressor Model 2830 Au, a faithful recreation of the iconic compressor that originally redefined dynamics processing for special effects in 1973. The Omnipressor, invented by Eventide's founder Richard Factor and later perfected for production, was the world's first dynamics effects processor, introducing novel features like dynamic reversal, infinite compression, variable gating, and the concept of the "side chain." The new *Au model faithfully replicates the original's circuitry and sound, with added enhancements like the ability to link multiple units, input and output audio transformers, a universal power supply, a back-lit meter, and upgraded connectors, ensuring the enduring legacy of the Omnipressor in the world of audio processing.

At a glance

  • Dynamics Processing — capable of creating otherworldly sounds
  • Dynamic Reversal — the first of its kind, soft signals come out loud and loud signals come out quiet, simulating tape reversal, a unique attribute of this versatile compressor
  • Function Control — sets a ratio over a continuous range allowing extreme expansion, to infinite compression, and is even able to push further into dynamic reversal
  • Variable Control of attack and release time
  • Variable Control of maximum gain and maximum attenuation
  • Side Chain allows the level detection of the Omnipressor to be driven by another audio source
  • Gating — amplitudes of signals that fall below a set threshold are ‘squooshed’
  • Expansion — widen a signal’s dynamic range, louder gets louder, softer gets softer
  • Compression offers variable control of compression ratio
  • Infinite Compression — if you want everything to come out at the same level, this is the feature for you
  • Limiting — a fast, versatile limiter, useful for maintaining a loud sound
  • Intuitive Interface — clean and easy to operate

The Eventide Omnipressor Model 2830Au is a faithful recreation, marking the golden 50th anniversary of the revered Omnipressor. This iconic compressor, initially introduced by Eventide Clockworks in 1973, revolutionised the world of studio production by pioneering dynamics for special effects. Alongside the Instant Phaser® and Instant Flanger®, it quickly gained popularity in studios worldwide, leaving an indelible mark on countless recordings and earning its place as a true classic.

The Eventide Omnipressor Model 2830*Au was crafted using the original hand-drawn schematics preserved in the Eventide archives. This new model faithfully replicates the circuitry and sound of the original 2830, while the *Au model brings several enhancements to the table, including the ability to link multiple units and the inclusion of input and output audio transformers, initially a costly option. It now features a universal power supply, a back-lit meter for convenience, and upgraded TRS/XLR connectors in place of the original terminal strip.

Unlike its companions, the Omnipressor possessed unique features like dynamic reversal, infinite compression, variable gating, and a separate "side chain." Despite its groundbreaking capabilities, it was discontinued a few years later due to challenges in sourcing exclusive components and explaining its advanced concepts to a less sophisticated industry of the time.

The Omnipressor, initially conceived by Eventide's founder Richard Factor and later perfected for production by Jon Paul, was the world's first dynamics effects processor, opening up a new realm of dynamic effects previously unheard of. It provided variable control over all aspects of dynamic modification. It introduced the concept of the "side chain," foreshadowing techniques that are now taken for granted, such as "look ahead" processing. Notably, one of Eventide's earliest customers for the Omnipressor was Brian May, the lead guitarist of Queen.


In celebrating 50 years of the Omnipressor, Eventide continues its tradition of innovation and dedication to the art of audio processing, keeping the spirit of the iconic compressor alive for generations to come.

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